This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 4 |
3 | -10 |
4 | 20 |
5 | -39 |
6 | 76 |
7 | -140 |
8 | 244 |
9 | -415 |
10 | 696 |
11 | -1140 |
12 | 1820 |
13 | -2861 |
14 | 4448 |
15 | -6816 |
16 | 10292 |
17 | -15372 |
18 | 22756 |
19 | -33356 |
20 | 48408 |
21 | -69683 |
22 | 99600 |
23 | -141312 |
24 | 199036 |
25 | -278557 |
26 | 387608 |
27 | -536230 |
28 | 737632 |
29 | -1009464 |
30 | 1374888 |
31 | -1863764 |
32 | 2514868 |
33 | -3378948 |
34 | 4521672 |
35 | -6027000 |
36 | 8002676 |